From Blender to UE4 : armature bone
There are a lot of &quot;fixes&quot; to this problem. For me, this one do the trick Blender (2.83, UE 4.20):

As things stand right now, the importer for fbx is effectively patched (a nice word for hacked) to allow as exception for Blender made fbx files if the name of the root node is 'Armature'.


Source: https://forums.unrealengine.com/deve...blender-export​